NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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S-adenosylmethionine
The active sulfonium form of methionine that is formed when methionine reacts with ATP and which acts as a methyl group donor in various transmethylation reactions. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:active methionine
S-Adenosyl-l-methionine
S-Adenosyl-methionine
Chemical structure:
  • 5'-[(3-Amino-3-carboxypropyl)methylsulfonio]-5'-deoxyadenosine Hydroxide, Inner Salt
  • S-Adenosyl-l-methionine 1,4-Butanedisulfonate